package day2;

/**
 * @author oldliu
 * @since 1.0
 */
public class DoublETest {
    public static void main(String[] args) {
//        System.out.println(Double.MAX_VALUE);
//        System.out.println(Double.toHexString(10000.5));
        String str="丽莎莎is 1 big 好人";
        char[] cr = str.toCharArray();
        for(char c:cr){
            System.out.print(c+":");
            System.out.println("是否是数字："+Character.isDigit(c));
            System.out.println("是否是字母："+Character.isLetter(c));
            System.out.println("是否是小写："+Character.isLowerCase(c));
            System.out.println("是否是大写："+Character.isUpperCase(c));
            System.out.println("是否是unicode部分："+Character.isUnicodeIdentifierStart(c));
            System.out.println("---------------------------------");
        }
    }
}
